About ADHD Statistics in Children

Updated February 16, 2018

ADHD is the accepted acronym for a condition called "Attention Deficit Hyperactivity Disorder." The disorder is common in children and is usually diagnosed when a child struggles to concentrate on tasks, pay attention or sit still. All children can be rambunctious and inattentive at times, but ADHD symptoms go beyond occasional excitement or rowdiness. With ADHD, the symptoms are present over a long period of time and affect the child's ability to function.

Expert Insight

The National Institute of Mental Health estimates that 3 per cent of all children have ADHD.


Boys are 3 times more likely to have ADHD than girls.


Children with ADHD have a parent with ADHD 40 per cent of the time. Parents of a child with ADHD are 3 times more likely to divorce than other couples.


Emotional development is usually slowed by 30 per cent in children with ADHD.

Related Issues

Most children with ADHD have discipline problems, with 45 per cent having been suspended from school at least once. Half of all children with ADHD have sleep problems and 1/4 have a learning disability.


Teen drivers with ADHD have 4 times as many car accidents as other drivers their age.

Famous Ties

Many famous people have or have had ADHD, including Michael Phelps, Ansel Adams, Terry Bradshaw, Jim Carey, Agatha Christie, Winston Churchill, Bill Cosby and Albert Einstein.

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About the Author

Writing professionally since 2008, Michelle Miley specializes in home and garden topics but frequently pens career, style and marketing pieces. Her essays have been used on college entrance exams and she has more than 4,000 publishing credits. She holds an Associate of Applied Science in accounting, having graduated summa cum laude.